(3) " Love of observation and natural history innate ; [I had them] as early as I can remember. My grandfather was very fond of natural history, and a [more distant] relative has written an excellent fauna of . . . . The help of Mr has aided me immensely, but not, I think, altered my tendency." (a, e, f )

(4) "Homology innate, and derived from my mother. I trace the origin of my interest in science decidedly to my mother's observations in